Surly Krampus fat bike

The Krampus, named after St. Nicholas' evil companion in Alpine mythology, is Surly's new 29+ bike. It uses a 29er (700c) rim diameter with a large, three-inch tire. Total diameter is close to 30.5 inches. Surly will sell a complete bike for $1,950 and the frameset for $750. Photo: Nick Legan | Singletrack.com

The Krampus, named after St. Nicholas’ evil companion in Alpine mythology, is Surly’s new 29+ bike. It uses a 29er (700c) rim diameter with a large, three-inch tire. Total diameter is close to 30.5 inches. Surly will sell a complete bike for $1,950 and the frameset for $750. Photo: Nick Legan | Singletrack.com